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About SEA20

SEA20 is a global league of cities dedicated to rethinking their roles in marine and energy ecosystems, hastening the adoption of and deployment of best practises, embracing digitalisation and legislating new environmentally friendlier, sustainable and smarter ways of doing business across our oceans.

SEA20 CITIES

Hamburg

Helsinki

Luleå

Vaasa

Rotterdam

Trieste

State of Washington